The former “low-flow” toilets of the 1990s were sometimes associated with performance issues (e.g., double flushing) and poor user satisfaction. WaterSense Bath Hack #3 shows how easy it is to Replace Your Leaky Toilet Flapper.To see how easy it is check out the WaterSense Bath Hack Video #3. Flappers are inexpensive rubber parts that can build up minerals or decay over time. If your toilet has a leak most likely it is due to an old or worn-out toilet flapper (e.g., valve seal) which can cause leaks. Household leaks can waste 180 gallons per week. Nationally, if all old, inefficient toilets in the United States were replaced with WaterSense labeled models, we could save 360 billion gallons of water per year, or the amount of water that flows over Niagara Falls in about 9 days. It's hardly a deal-breaker for Arc buyers, but it's another caveat for a GPU lineup that already has plenty of them.By replacing old, inefficient toilets with WaterSense labeled models, the average family can reduce water used for toilets by 20 to 60 percent-that's nearly 13,000 gallons of water savings for your home every year! They could also save more than $140 per year in water costs, and $2,900 over the lifetime of the toilets. What the idle power consumption fix and the Resizable BAR issues have in common is that not all BIOSes provide access to these settings, particularly if you're using an older PC or a pre-built desktop from a PC company rather than a modern, self-built gaming PC with an enthusiast-grade motherboard. Nvidia and AMD cards can also benefit when Resizable BAR is enabled-it allows your processor to address your GPU's memory all at once instead of in 256MB chunks-but the performance impact one way or the other is considerably smaller. The cards' performance also suffers significantly when a feature called Resizable BAR (or ReBAR, or Smart Access Memory, or SAM) is disabled in your BIOS. This isn't the first BIOS-related change Intel has asked Arc users to make. Intel says that the company "will be looking at making optimizations in future generations," which makes it sound like we'll need new hardware to address the issue decisively. Intel may be able to address the issue in the long-term with driver or firmware updates for the Arc A-series GPUs, but the troubleshooting article doesn't make it sound very likely. The same settings didn't seem to have an effect on an Arc A770 card, though it's unclear whether this is a motherboard bug, a GPU hardware or firmware or driver problem, or something else. Testing from Tom's Hardware shows that with the settings enabled, Arc A750 power consumption at idle dropped from 37.3 W to 15.5 W, a significant drop. Intel acknowledges that the settings will be found in different places in different BIOSes and that they may be named different things. Users will need to go into their PC's BIOS and configure a pair of advanced PCI Express power management settings-the "Native ASPM" (or active-state power management) setting should be enabled, and the "PCI Express root port ASPM" setting should be enabled and set to "L1 Substates." You'll also need to set the PCI Express Link State Power Management setting to "maximum power savings" in Windows' advanced power options settings. Intel published a troubleshooting article late last week that acknowledged that Arc desktop GPUs could suffer from "high idle power consumption," along with steps for remediating the issue. But Intel's first true gaming-focused dedicated GPU architecture has also had lots of first-generation jitters, including glitchy drivers and performance issues in games that don't use modern DirectX 12 or Vulkan graphics APIs.Īnother early issue may be idle power consumption-the amount of power these GPUs consume when they aren't being actively used or when they're only rendering your desktop. Intel's Arc A750 and A770 GPUs were finally released earlier this month after years of teases, announcements, and delays, and the end result is a pair of GPUs that generally offer respectable performance for the price. Further Reading Intel A770, A750 review: We are this close to recommending these GPUs
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